Fully-coated lenses reduce glare and increase brightness;Ordinary Zoom Telescope is Generally Rotated or Stretched Focusing, has Two Kinds of Focusing Mode, More Widely Using;-Eye lens diameter: 13mm -Objective diameter: 25mm;Angle of vision:-10x: 3.5 degrees to 30x: 2.0 degrees;Dimension (Dia. x H): 32 x (118 - 182) mm

• High Power Mini Black Telescope 10-30x25 Zoom Adjustable Optical Monocular Binoculars Telescopes f. Hiking Camping Travel

High Power Mini Black Telescope 10-30x25 Zoom Adjustable Optical Monocular Binoculars Telescopes f. Hiking Camping TravelUniqueFire